What is the recursive formula for this geometric sequence? -3, -21, -147, -1029, ...

The terms of a geometric sequence can be found by beginning with the first term and multiplying by the common ratio repeatedly. A recursive formula for a geometric sequence with common ratio r is given by an=ran−1 a n = r a n − 1 for n≥2 n ≥ 2 . The answer is a1 =-3 & a(n) =a(n-1) •y 7

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i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.

step-by-step explanation: